Synaestec Audio Bivium Manuale utente

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Bivium Preamplifier Owner’s Manual

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Dear Music Enthusiast,

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ThankyouforpurchasingSynaestecAudioBivium,astateoftheartlinestagepreamplifier

utilizingrevolutionarytechnologyandthetopconstructionqualitythatwearesoproudof.When

workingtogetherwiththeVolatus200poweramplifier,theysimplybreakeverygroundinaudio

technology.Preparedtobesurprisedbytheextremerealisminmusicreproduction.

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Pleasetakesometimetoreadthisowner’smanualbeforeusingtheequipmentforthefirsttime.

Youwillfindusefulinformationwhichwillenhanceyourlisteningpleasure.



StefanStotz

ManagingDirector

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3

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Contents

Warning..................................................................................................................................................3

Unpacking...............................................................................................................................................4

Preamplifier............................................................................................................................................5

Powersupply..........................................................................................................................................6

Remotecontrol.......................................................................................................................................6

Preparations...........................................................................................................................................7

Operation................................................................................................................................................8

SetupMenu...................................................................................................................................8

InputSettings.............................................................................................................................9

GeneralSettings.......................................................................................................................10

SafetyandProtection...........................................................................................................................11

DCprotection...............................................................................................................................11

Shortcircuitprotection................................................................................................................11

Maintenance.........................................................................................................................................12

Cleaning.......................................................................................................................................12

RemoteControlBatteryreplacement.........................................................................................12

Fusereplacement........................................................................................................................12

Specifications........................................................................................................................................12

Warranty...............................................................................................................................................12

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Warning

Topreventtheriskofelectricalshock,DONOTremovethecoverofthepreamplifierorthe

powersupply.

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ThereisnouserserviceablepartinsideBiviumpreamplifierortheBiviumpowersupply.

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4

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Unpacking

YouwillfindintheBiviumpackaging:

‐ABiviumpreamplifier

‐ABiviumpowersupply

‐Aremotecontrolunit

‐AnanalogDCpowercablewith4‐pinLEMOconnector

‐AdigitalDCpowercablewith3‐pinLEMOconnector

‐AnACpowercord

‐Thisowner’smanual

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TheBiviumismachinedfromasolidblockofaircraftgradealuminum,thereforeitismuch

heavierthanitlooks.Lifttheamplifierwithgreatcare,oraskforassistancewhentryingto

removeitfromthepackaging.

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ThepackagingmaterialisspeciallydesignedtowellprotecttheBivium.Werecommendyouto

keeptheoriginalpackagingincaseyouneedtotransporttheamplifierinthefuture.

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5

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Frontview

Rearview

Preamplifier

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1. ON/OFFButton

2. OperateLED(greenwhenoperate,redwhenready)

3. DisplayandIRremotesensor

4. Volumeknobwithintegratedpushbutton

‐Turnthevolumeknobclockwisewillraiseupthevolume;

‐Pressingtheknobwillswitchtheactiveaudiochanneltothenextinput.

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5. DCpowerinput(Digital)

6. DCpowerinput(Analog)

7. Rightaudiooutput‐RCAunbalanced

8. Rightaudiooutput‐XLRbalanced

9. Rightaudioinput‐RCAunbalanced

10. Rightaudioinput‐XLRbalanced

11. Leftaudiooutput‐RCAunbalanced

12. Leftaudiooutput‐XLRbalanced

13. Leftaudioinput‐RCAunbalanced

14. Leftaudioinput‐XLRbalanced

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6

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FrontviewRearview

TopviewBottomview

(Coverremoved)

Power supply

1. MainpowerLED

2. IECpowerinlet,fuseholder,mainpoweron/offswitch

3. DCpoweroutput(Digital)

4. DCpoweroutput(Analog)

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Remote control

 

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1. Power

2. Mute

3. Menu

4. Select

5. Channelup(‐adjustinMenumode)

6. Channeldown(+adjustinMenumode)

7. Volumecontrol(ScrollinMenumode)

8. Batteryholder

7

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Pullgriptounlock

Pressring

tounlock

PreamprearpanelPowersupplyrearpanel

Preparations

Biviumisalinestagepreamplifierwithseparatepowersupply.InstallBiviumonarigidandstable

platform.Avibrationfreeplatformwillhelpextractingtheoptimalsonicperformance.

MakesurethemainpowerswitchisintheOFFposition(O)beforeconnectinganypowercable.

ConnecttheBiviumtothepowersupplyunit,usingthetwospecialDCpowercablesenclosedin

thepackage.The4pinDCcableisfortheanalogsupplywhereasthe3pincableisforthedigital

andcontrolcircuitry.BothDCcablesareterminatedwithLEMOconnectorequippedwithspecial

lockingmechanism.Pleasereleasethelockwhenunplug.

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AlwaysuseanACpowercordwithgroundwire.TheBiviumpowersupplymustbeearthed,both

forsafetyandsonicreason.Togetthebestsoundquality,makesurethatallyourHi‐Fi

equipmentsareconnectedintoonemainssocket.

Connectyouraudiosignalsources,forexampleCDplayer,SACDplayer,radiotuner,etc,tothe

audioinputsocketsontherearpaneloftheBiviumpreamplifier.Thenconnectthepreamplifier’s

audiooutputtoyourpoweramplifier.

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Audioinput1to3arebalancedwhileinput4to5aresingleended.TheBiviumaudiocircuitis

fullybalancedallthewayfrominputtooutput.ThereforebalancedXLRcableispreferredforthe

bestsoundquality.Anyaudiosignalwillbeconvertedintobalancedmodeinternallybythe

Bivium,sotheaudioperformanceisnotcompromisedevenwhenunbalancedRCAcableisused.

Thebalancedaudiooutputsarewiredaspin1Ground,pin2hotandpin3cold(Complytothe

AES48‐2005standard).Audiophasecanbeswitchedmanuallytobecompatiblewithsignal

sourcewiredindifferentfashion.TheBalancedoutputandsingleendedoutputaredrivenby

separateamplifiercircuitsandtheycanbeusedsimultaneously.

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Operation

TurnonthemainpowerswitchontherearpaneloftheBiviumpowersupplyunit.

Afterturningonthemainpowerswitch,theLEDonthepowersupplyfrontpanelwillglowgreen.

Atthesametime,theLEDontheBiviumpreamplifierfrontpanelwillglowdimred,indicatingitis

inreadymode.NowyoucanpresstheON/OFFbuttononcetoturnthepreamplifieron

completely.





*Onlyappearswhenactivated.

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Beforeplayingyourfavoritemusic,turnthevolumedowntotheminimumfirsttoavoid

accidentalhearingdamagebyexcessiveloudness.Turnupthevolumeslowlyuntilitis

comfortable.Thensitdownandenjoy.

Whenyouhavefinishedlistening,pressthepowerbuttononcemoretotoggletheBiviumback

intoreadymode.IfyouplantoleavetheBiviumunusedforalongperiodoftime,usethemain

powerswitchonthepowersupplyrearpaneltoswitchitoffcompletely.

Setup Menu

EntertheSetupManualbypressingtheManualbuttonontheremotecontrol,orbypressingthe

volumeknobonthepreamplifier’sfrontpanelcontinuouslyformorethan2seconds.



Inputformat

Bal/Unbal

*Phaseinvert

indicator

Volumelevelbar

ChannelnameVolumefigure

*Mute

indicator

*Left–Right

Balanceindicator

*Volumepreset

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9

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Input Settings

InputName,InputPhase,TheaterBypassandVolumePresetarechanneldependentparameters

thatareadjustedseparatelyforeachinputchannel.Adjustmentsoftheseparametersaremade

totheactivechannelbeinglistenedonly.Toadjusttheseparametersonanotherchannel,exit

SetupMenuandswitchtheinputchannel.

Input Name

Chooseyourdesiredequipmentnamefromthelist:AUX,CABLE,CD,DAB,DAC,DAT,DVD,DVDA,

GAME,HDTV,LD,PC,*PHONO,SACD,SAT,TAPE,TUNER,TV,VIDEO.

*RIAAequalizerisnotinstalledintheBivium,externalphonopreamplifierisneededforvinyldisc

playback.

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Input Phase

Biviumisanon‐invertingamplifierthatdoesnotreverseaudiophase(preservessignalpolarity).

Ifitisnecessarytoinvertaudiophasedeliberatelyinordertomatchwithotherequipment,select

Invertedintheinputphasemenu.Thephaseinversionisonlyvalidfortheselectedchannel.A

scrollarrowsignwillappearonthedisplayindicatingphaseinversionisactivated.



Theater Bypass

TheTheaterBypassallowstheBiviumtobeconnectedtosurroundsoundprocessorandshare

thesamepairofleftandrightloudspeakerwiththesurroundsoundsystem.WhenTheater

Bypassisactivated,theBiviumwillswitchitselftotheunitgainposition(0dBgain)automatically.

Inthiscase,theBiviumwillbehaveasabuffer.Volumecontrolwillbehandledbythesurround

soundprocessorupstreaminthesignalchain.



Volume Preset

Ifyouhaveasourceequipmentthathasparticularlylower(orhigher)outputthantheothers,

youcancompensatethisbyusingtheVolumePreset.ForexampleifyourTuneris6dBquieter,

youcouldsettheTunerVolumePresetto+6dB.WiththeVolumePresettunedright,thesound

levelwouldremainthesameuponswitchingbetweenTunerandotherchannel.



10



General Settings

LRBalance,VolumeControlSpeed,VolumeUnit,MuteVolumeandDisplayBrightnessaregeneral

parametersthataresharedamongallinputchannels.



LR Balance

TheLeftRightbalanceoftheBiviumitselfisextremelywell(below+/‐0.05dB)whichrequiresnot

adjustmentatall.TheLRBalanceadjustmentfeatureisonlyintendedtocompensatethe

differencebetweenleftandrightvolumecausedbyotherequipment.



Volume Control Speed

AdjustthespeedofvolumecontrolbychoosingbetweenFineandCoarse.Finemodeoffers160

volumestepsforhighresolutionadjustment,in0.5dBincrement.Coarsemodeoffers80volume

stepsforfastadjustment,in1dBincrement.



Volume Unit

Numericmoderepresentsvolumeinauserfriendly0to160levelscale.

dBmoderepresentsvolumeinaprofessionalmannerinoveralllogarithmicgain.



Mute Volume

When‐55dBisselected,thepreampwillattenuatetheoutputtoaverysoftlevelwheneverthe

MUTEbuttonisdepressed.If‐120dBisselected,thepreampwillcutofftheaudiooutput

completelywhenmuted.



Display Brightness

Thereare5differentlevelsofdisplaybrightnessavailable,level5beingthebrightest.Oryoucan

chooseAuto,whichwillbrightenupthedisplayuponanycontrolcommand,andthendimmedby

itselfafterabout2minutes.



Restore Factory Setting

PressandholdthePowerbuttononthepreamplifierfrontpanelfor5seconds,theBiviumwill

entertheRestoreFactorySettingmenu.Activatingthiswillerasealluserenteredsettingand

restoreeveryparametertotheoriginaloutoffactorystate.

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